/Engine/Plugins/Online/OnlineSubsystem/Source/Public/Interfaces/OnlineGroupsInterface.h
An entry in a user's list of groups to which they are invited.
struct FInvitationEntry
FUniqueNetIdPtr
AccountId
AccountId of the user invited to group membership.
FUniqueNetIdPtr
GroupHostId
AccountId of the group user that did the inviting.
FUniqueNetIdPtr
GroupId
The GroupId for the group.
FText
Name
The Name of the group.
FString
Namespace
The Namespace for the invitation.
FDateTime
SentAt
Timestamp of when the application was sent.